private void writeObject(ObjectOutputStream stream) throws IOException {
stream.defaultWriteObject();
Type<E> type = SerializationContext.getType(entityClass);
EntityProxy<E> proxy = type.proxyProvider().apply(entity);
for (Property<E, ?> property : proxy.filterProperties(getPropertyFilter())) {
Object value = property.get();
stream.writeObject(value);
}
}
